What techniques can I use to achieve a clear and resonant low B note on my instrument?

To achieve a clear and resonant low B note on your instrument, you can try the following techniques:

1. Ensure proper breath support and control.
2. Maintain a relaxed embouchure and firm lip position.
3. Adjust your instrument's tuning slide or embouchure to find the optimal position.
4. Practice long tones and scales to improve tone quality and control.
5. Experiment with different air speeds and angles to find the best sound.